condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 6.185855 0.284215 17.2539 Stolon 0.0 0.0 0.0 Stolon with Root 1.88438 0.0 5.65314